body {
    margin: 0;
    padding: 20px;
    font-family: 'Arial', sans-serif;
    background: #f0f5ff;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    line-height: 1.6;
}

.container {
    max-width: 600px;
    width: 100%;
    padding: 40px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

h1 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.subtitle {
    color: #556677;
    margin-bottom: 30px;
    font-size: 1.1em;
}

form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-group {
    border: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

legend {
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 1.1em;
    width: 100%;
    padding: 0;
}

.radio-group {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.radio-group label {
    display: flex;
    align-items: center;
    cursor: pointer;
    background: #f8f9fa;
    padding: 15px 25px;
    border-radius: 10px;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
    flex: 1;
    justify-content: center;
}

.radio-group label:hover {
    border-color: #a3c1e2;
}

.radio-group input[type="radio"] {
    display: none;
}

.radio-group input[type="radio"]:checked + span {
    background-color: #3498db;
    border-color: #3498db;
}

.radio-group input[type="radio"]:checked + span::after {
    opacity: 1;
}

.radio-group span {
    width: 20px;
    height: 20px;
    border: 2px solid #ccc;
    border-radius: 50%;
    display: inline-block;
    margin-right: 12px;
    position: relative;
    transition: all 0.3s ease;
}

.radio-group span::after {
    content: '';
    width: 10px;
    height: 10px;
    background: white;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-family: 'Arial', sans-serif;
    font-size: 1em;
    box-sizing: border-box;
    transition: border-color 0.3s ease;
}

textarea:focus {
    outline: none;
    border-color: #3498db;
}

.fine-print {
    font-size: 0.9em;
    color: #7f8c8d;
    margin-top: -10px;
}

.submit-btn {
    padding: 15px 20px;
    font-size: 1.1em;
    font-weight: bold;
    color: white;
    background-color: #27ae60;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.submit-btn:hover {
    background-color: #2ecc71;
    transform: translateY(-2px);
}

.success-message {
    color: #2c3e50;
}

.success-message h2 {
    color: #27ae60;
    font-size: 1.8em;
}